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Haiku 5.5 Comparison Tool

Independent third-party tool

The model

Claude Haiku 5.5

Haiku 5.5 is an Anthropic language model. Whether it can replace another model depends on your inputs, the reasoning setting and what an acceptable answer means for your work.

Test extraction, support replies and other recurring text tasks against a baseline. Keep the instructions identical, then judge each answer against your own criteria. A lower API price alone does not establish better value.

Haiku 5.5 overview and limits
Manufacturer
Anthropic
Site connection
ZenMux
Quality evidence
Your saved outputs and reviews
Affiliation
Independent; not Anthropic or OpenAI

Five models, one task

Model reference

Official API prices below are separate from site credits. Connection limits appear only after verification; no quality ranking is implied.

ModelOfficial input / output
USD per 1M tokens
Manufacturer limits
Context / max output
Verified site limits
Context / max output
Site reasoning options
Claude Haiku 5.5Anthropic
$0.10 / $0.50Standard tier
$0.50 / $2.50From 100,001 input tokens
Source · 2026-10-09
1,000,000 / 128,000Specs · 2026-10-09Awaiting verificationAwaiting verification
Claude Sonnet 5.5Anthropic
$2 / $10Standard tier
Source · 2026-10-09
1,000,000 / 128,000Specs · 2026-10-09Awaiting verificationAwaiting verification
GPT-6 LunaOpenAI
$0.10 / $0.50Standard tier
$0.20 / $0.75From 272,001 input tokens
Source · 2026-10-09
1,050,000 / 128,000Specs · 2026-10-09Awaiting verificationAwaiting verification
Claude Opus 5.5Anthropic
$4 / $20Standard tier
Source · 2026-10-09
1,000,000 / 128,000Specs · 2026-10-09Awaiting verificationAwaiting verification
GPT-6.1 SolOpenAI
$2 / $10Standard tier
$4 / $15From 272,001 input tokens
Source · 2026-10-09
1,050,000 / 128,000Specs · 2026-10-09Awaiting verificationAwaiting verification

Manufacturer API prices

Official cost calculator

Estimate direct API spending at published manufacturer rates. This is not a ZenMux bill or a charge to your site credits.

$0.000600

Anthropic source · 2026-10-09

$0.012000

Anthropic source · 2026-10-09

Baseline minus Haiku (USD)

$0.011400

95% difference. Negative means Haiku costs more.

Equal token counts assumed for both models. Billable output includes reasoning tokens; do not add them twice. Standard real-time pricing, excluding cache discounts, batch discounts and taxes. Long-input tiers apply to the whole call. Rates are dated snapshots, not live quotes.

Input samples

Start with a task you can judge

JSON

Structured extraction

Extract company, invoice_number and amount_usd from the input. Return only JSON with those keys. Use null for missing values.

Invoice INV-1042
Northline Studio
Total due: USD 218.40
Classification

Support triage

Classify the ticket as billing, technical or account. Return JSON with category and one sentence explaining the evidence. Do not include personal data.

I changed my card yesterday but the renewal still failed. I can log in and all my files are there.
Writing

Constrained reply

Write a friendly customer support reply in under 70 words. Acknowledge the issue and ask for the order number. Do not promise a refund or claim to have checked an account.

My order has not arrived, and the tracking link stopped updating three days ago.

Site credits

Pay once. Use as needed.

All packs unlock batch comparisons permanently. Credits do not expire. No subscription or automatic renewal. Tax, if applicable, is shown at checkout.

Starter

$4.90 USD

4,900 credits

  • Compare and Chat
  • Batch comparisons
  • Private history and CSV / PDF reports
  • Credits never expire

Plus

$19.90 USD

23,880 credits

  • Compare and Chat
  • Batch comparisons
  • Private history and CSV / PDF reports
  • Credits never expire

Pro

$39.90 USD

55,860 credits

  • Compare and Chat
  • Batch comparisons
  • Private history and CSV / PDF reports
  • Credits never expire

New anonymous sessions receive 120 trial credits when available. A verified account receives a further 600 credits once. Trial credits cover single comparisons and Chat; a successful pack purchase unlocks batches.

Model credit rates

Credits per 1M tokens, not USD. Actual normalized input and billable output determine usage; reasoning is included in output, never counted twice. Each submitted task retains its rate version.

ModelInput credits / 1MOutput credits / 1MRate version
Claude Haiku 5.5Not published; paid generation unavailable
Claude Sonnet 5.5Not published; paid generation unavailable
GPT-6 LunaNot published; paid generation unavailable
Claude Opus 5.5Not published; paid generation unavailable
GPT-6.1 SolNot published; paid generation unavailable

Questions before you run

LogoHaiku5-5.com

Independent model comparisons, grounded in your own tasks. Not affiliated with Anthropic or OpenAI.

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Haiku 5.5
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  • vs Sonnet 5.5
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